Breast Cancer Myths

Breast Cancer Myths – Part 3

Wearing underwire bras can cause breast cancer.

Somewhere online, maybe in a forum, someone theorized that wearing underwire bras increases your risk of developing breast cancer because they compress the breasts, allowing toxins to build up.  Luckily, this is another internet rumor with no scientific evidence to back it up.

Being overweight is not a risk factor for breast cancer.

Unfortunately, being overweight or obese increases your risk of developing breast cancer.  The risk is even higher for post-menopausal women, and for those who gained weight as they aged.

Small breasted women don’t develop breast cancer.

You bra size does not determine your risk for developing cancer.  While larger breasts may be harder to examine than smaller breasts—the risk for developing breast cancer is the same.  Remember, mammograms save lives through early detection—so regardless of your bra size, stay on top of routine screenings and checkups.


After a mastectomy, breast cancer won’t come back.

While a mastectomy reduces the risk of developing breast cancer by an average of 90 percent – there is still a small chance that the disease could come back.  If you only had a one-sided mastectomy, you are still at risk for developing cancer in the other breast. Mastectomies do not reduce the risk of developing cancer in other parts of your body.

Surgery causes cancer to spread.

While your doctor may discover that cancer has spread to other parts of the body during surgery—the operation itself  does not cause breast cancer, or allow it to spread. 

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